502 lines
14 KiB
C
502 lines
14 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Mika Kuoppala <mika.kuoppala@intel.com>
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*/
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#include "intel_renderstate.h"
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#include <lib/gen6_render.h>
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#include <lib/intel_reg.h>
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#include <string.h>
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static const uint32_t ps_kernel_nomask_affine[][4] = {
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{ 0x0060005a, 0x204077be, 0x000000c0, 0x008d0040 },
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{ 0x0060005a, 0x206077be, 0x000000c0, 0x008d0080 },
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{ 0x0060005a, 0x208077be, 0x000000d0, 0x008d0040 },
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{ 0x0060005a, 0x20a077be, 0x000000d0, 0x008d0080 },
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{ 0x00000201, 0x20080061, 0x00000000, 0x00000000 },
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{ 0x00600001, 0x20200022, 0x008d0000, 0x00000000 },
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{ 0x02800031, 0x21c01cc9, 0x00000020, 0x0a8a0001 },
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{ 0x00600001, 0x204003be, 0x008d01c0, 0x00000000 },
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{ 0x00600001, 0x206003be, 0x008d01e0, 0x00000000 },
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{ 0x00600001, 0x208003be, 0x008d0200, 0x00000000 },
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{ 0x00600001, 0x20a003be, 0x008d0220, 0x00000000 },
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{ 0x00600001, 0x20c003be, 0x008d0240, 0x00000000 },
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{ 0x00600001, 0x20e003be, 0x008d0260, 0x00000000 },
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{ 0x00600001, 0x210003be, 0x008d0280, 0x00000000 },
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{ 0x00600001, 0x212003be, 0x008d02a0, 0x00000000 },
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{ 0x05800031, 0x24001cc8, 0x00000040, 0x90019000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x0000007e, 0x00000000, 0x00000000, 0x00000000 },
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};
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static uint32_t
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gen6_bind_buf_null(struct intel_batchbuffer *batch)
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{
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struct gen6_surface_state ss;
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memset(&ss, 0, sizeof(ss));
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return OUT_STATE_STRUCT(ss, 32);
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}
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static uint32_t
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gen6_bind_surfaces(struct intel_batchbuffer *batch)
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{
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unsigned offset;
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offset = intel_batch_state_alloc(batch, 32, 32, "bind surfaces");
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bb_area_emit_offset(batch->state, offset, gen6_bind_buf_null(batch), STATE_OFFSET, "bind 1");
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bb_area_emit_offset(batch->state, offset + 4, gen6_bind_buf_null(batch), STATE_OFFSET, "bind 2");
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return offset;
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}
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static void
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gen6_emit_sip(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN4_STATE_SIP | 0);
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OUT_BATCH(0);
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}
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static void
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gen6_emit_urb(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN6_3DSTATE_URB | (3 - 2));
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OUT_BATCH((1 - 1) << GEN6_3DSTATE_URB_VS_SIZE_SHIFT |
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24 << GEN6_3DSTATE_URB_VS_ENTRIES_SHIFT); /* at least 24 on GEN6 */
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OUT_BATCH(0 << GEN6_3DSTATE_URB_GS_SIZE_SHIFT |
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0 << GEN6_3DSTATE_URB_GS_ENTRIES_SHIFT); /* no GS thread */
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}
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static void
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gen6_emit_state_base_address(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN4_STATE_BASE_ADDRESS | (10 - 2));
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OUT_BATCH(0); /* general */
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OUT_RELOC(batch,
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I915_GEM_DOMAIN_INSTRUCTION, 0,
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BASE_ADDRESS_MODIFY);
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OUT_RELOC(batch, /* instruction */
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I915_GEM_DOMAIN_INSTRUCTION, 0,
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BASE_ADDRESS_MODIFY);
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OUT_BATCH(0); /* indirect */
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OUT_RELOC(batch,
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I915_GEM_DOMAIN_INSTRUCTION, 0,
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BASE_ADDRESS_MODIFY);
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/* upper bounds, disable */
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OUT_BATCH(0);
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OUT_BATCH(BASE_ADDRESS_MODIFY);
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OUT_BATCH(0);
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OUT_BATCH(BASE_ADDRESS_MODIFY);
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}
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static void
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gen6_emit_viewports(struct intel_batchbuffer *batch, uint32_t cc_vp)
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{
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OUT_BATCH(GEN6_3DSTATE_VIEWPORT_STATE_POINTERS |
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GEN6_3DSTATE_VIEWPORT_STATE_MODIFY_CC |
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(4 - 2));
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH_STATE_OFFSET(cc_vp);
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}
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static void
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gen6_emit_vs(struct intel_batchbuffer *batch)
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{
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/* disable VS constant buffer */
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OUT_BATCH(GEN6_3DSTATE_CONSTANT_VS | (5 - 2));
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(GEN6_3DSTATE_VS | (6 - 2));
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OUT_BATCH(0); /* no VS kernel */
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0); /* pass-through */
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}
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static void
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gen6_emit_gs(struct intel_batchbuffer *batch)
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{
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/* disable GS constant buffer */
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OUT_BATCH(GEN6_3DSTATE_CONSTANT_GS | (5 - 2));
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(GEN6_3DSTATE_GS | (7 - 2));
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OUT_BATCH(0); /* no GS kernel */
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0); /* pass-through */
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}
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static void
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gen6_emit_clip(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN6_3DSTATE_CLIP | (4 - 2));
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OUT_BATCH(0);
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OUT_BATCH(0); /* pass-through */
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OUT_BATCH(0);
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}
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static void
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gen6_emit_wm_constants(struct intel_batchbuffer *batch)
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{
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/* disable WM constant buffer */
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OUT_BATCH(GEN6_3DSTATE_CONSTANT_PS | (5 - 2));
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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}
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static void
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gen6_emit_null_depth_buffer(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN4_3DSTATE_DEPTH_BUFFER | (7 - 2));
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OUT_BATCH(SURFACE_NULL << GEN4_3DSTATE_DEPTH_BUFFER_TYPE_SHIFT |
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GEN4_DEPTHFORMAT_D32_FLOAT << GEN4_3DSTATE_DEPTH_BUFFER_FORMAT_SHIFT);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(GEN4_3DSTATE_CLEAR_PARAMS | (2 - 2));
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OUT_BATCH(0);
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}
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static void
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gen6_emit_invariant(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(G4X_PIPELINE_SELECT | PIPELINE_SELECT_3D);
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OUT_BATCH(GEN6_3DSTATE_MULTISAMPLE | (3 - 2));
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OUT_BATCH(GEN6_3DSTATE_MULTISAMPLE_PIXEL_LOCATION_CENTER |
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GEN6_3DSTATE_MULTISAMPLE_NUMSAMPLES_1); /* 1 sample/pixel */
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OUT_BATCH(0);
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OUT_BATCH(GEN6_3DSTATE_SAMPLE_MASK | (2 - 2));
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OUT_BATCH(1);
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}
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static void
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gen6_emit_cc(struct intel_batchbuffer *batch, uint32_t blend)
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{
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OUT_BATCH(GEN6_3DSTATE_CC_STATE_POINTERS | (4 - 2));
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OUT_BATCH_STATE_OFFSET(blend | 1);
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OUT_BATCH(1024 | 1);
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OUT_BATCH(1024 | 1);
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}
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static void
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gen6_emit_sampler(struct intel_batchbuffer *batch, uint32_t state)
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{
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OUT_BATCH(GEN6_3DSTATE_SAMPLER_STATE_POINTERS |
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GEN6_3DSTATE_SAMPLER_STATE_MODIFY_PS |
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(4 - 2));
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OUT_BATCH(0); /* VS */
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OUT_BATCH(0); /* GS */
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OUT_BATCH_STATE_OFFSET(state);
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}
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static void
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gen6_emit_sf(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN6_3DSTATE_SF | (20 - 2));
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OUT_BATCH(1 << GEN6_3DSTATE_SF_NUM_OUTPUTS_SHIFT |
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1 << GEN6_3DSTATE_SF_URB_ENTRY_READ_LENGTH_SHIFT |
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1 << GEN6_3DSTATE_SF_URB_ENTRY_READ_OFFSET_SHIFT);
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OUT_BATCH(0);
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OUT_BATCH(GEN6_3DSTATE_SF_CULL_NONE);
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OUT_BATCH(2 << GEN6_3DSTATE_SF_TRIFAN_PROVOKE_SHIFT); /* DW4 */
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0); /* DW9 */
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0); /* DW14 */
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0);
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OUT_BATCH(0); /* DW19 */
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}
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static void
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gen6_emit_wm(struct intel_batchbuffer *batch, int kernel)
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{
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OUT_BATCH(GEN6_3DSTATE_WM | (9 - 2));
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OUT_BATCH_STATE_OFFSET(kernel);
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OUT_BATCH(1 << GEN6_3DSTATE_WM_SAMPLER_COUNT_SHIFT |
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2 << GEN6_3DSTATE_WM_BINDING_TABLE_ENTRY_COUNT_SHIFT);
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OUT_BATCH(0);
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OUT_BATCH(6 << GEN6_3DSTATE_WM_DISPATCH_START_GRF_0_SHIFT); /* DW4 */
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OUT_BATCH((40 - 1) << GEN6_3DSTATE_WM_MAX_THREADS_SHIFT |
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GEN6_3DSTATE_WM_DISPATCH_ENABLE |
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GEN6_3DSTATE_WM_16_DISPATCH_ENABLE);
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OUT_BATCH(1 << GEN6_3DSTATE_WM_NUM_SF_OUTPUTS_SHIFT |
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GEN6_3DSTATE_WM_PERSPECTIVE_PIXEL_BARYCENTRIC);
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OUT_BATCH(0);
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OUT_BATCH(0);
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}
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static void
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gen6_emit_binding_table(struct intel_batchbuffer *batch, uint32_t wm_table)
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{
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OUT_BATCH(GEN4_3DSTATE_BINDING_TABLE_POINTERS |
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GEN6_3DSTATE_BINDING_TABLE_MODIFY_PS |
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(4 - 2));
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OUT_BATCH(0); /* vs */
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OUT_BATCH(0); /* gs */
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OUT_BATCH_STATE_OFFSET(wm_table);
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}
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static void
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gen6_emit_drawing_rectangle(struct intel_batchbuffer *batch)
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{
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OUT_BATCH(GEN4_3DSTATE_DRAWING_RECTANGLE | (4 - 2));
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OUT_BATCH(0xffffffff);
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OUT_BATCH(0 | 0);
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OUT_BATCH(0);
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}
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static void
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gen6_emit_vertex_elements(struct intel_batchbuffer *batch)
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{
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/* The VUE layout
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* dword 0-3: pad (0.0, 0.0, 0.0. 0.0)
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* dword 4-7: position (x, y, 1.0, 1.0),
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* dword 8-11: texture coordinate 0 (u0, v0, 0, 0)
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*
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* dword 4-11 are fetched from vertex buffer
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*/
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OUT_BATCH(GEN4_3DSTATE_VERTEX_ELEMENTS | (2 * 3 + 1 - 2));
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OUT_BATCH(0 << GEN6_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN6_VE0_VALID |
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SURFACEFORMAT_R32G32B32A32_FLOAT << VE0_FORMAT_SHIFT |
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0 << VE0_OFFSET_SHIFT);
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OUT_BATCH(GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_0_SHIFT |
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GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_1_SHIFT |
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GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
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GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_3_SHIFT);
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/* x,y */
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OUT_BATCH(0 << GEN6_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN6_VE0_VALID |
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SURFACEFORMAT_R16G16_SSCALED << VE0_FORMAT_SHIFT |
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0 << VE0_OFFSET_SHIFT); /* offsets vb in bytes */
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OUT_BATCH(GEN4_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT |
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GEN4_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT |
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GEN4_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_2_SHIFT |
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GEN4_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT);
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/* u0, v0 */
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OUT_BATCH(0 << GEN6_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN6_VE0_VALID |
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SURFACEFORMAT_R32G32_FLOAT << VE0_FORMAT_SHIFT |
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4 << VE0_OFFSET_SHIFT); /* offset vb in bytes */
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OUT_BATCH(GEN4_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT |
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GEN4_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT |
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GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
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GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_3_SHIFT);
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}
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static uint32_t
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gen6_create_cc_viewport(struct intel_batchbuffer *batch)
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{
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struct gen4_cc_viewport vp;
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memset(&vp, 0, sizeof(vp));
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vp.min_depth = -1.e35;
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vp.max_depth = 1.e35;
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return OUT_STATE_STRUCT(vp, 32);
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}
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static uint32_t
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gen6_create_cc_blend(struct intel_batchbuffer *batch)
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{
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struct gen6_blend_state blend;
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memset(&blend, 0, sizeof(blend));
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blend.blend0.dest_blend_factor = GEN6_BLENDFACTOR_ZERO;
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blend.blend0.source_blend_factor = GEN6_BLENDFACTOR_ONE;
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blend.blend0.blend_func = GEN6_BLENDFUNCTION_ADD;
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blend.blend0.blend_enable = 1;
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blend.blend1.post_blend_clamp_enable = 1;
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blend.blend1.pre_blend_clamp_enable = 1;
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return OUT_STATE_STRUCT(blend, 64);
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}
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static uint32_t
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gen6_create_kernel(struct intel_batchbuffer *batch)
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{
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return intel_batch_state_copy(batch, ps_kernel_nomask_affine,
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sizeof(ps_kernel_nomask_affine),
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64, "ps_kernel");
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}
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static uint32_t
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gen6_create_sampler(struct intel_batchbuffer *batch,
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sampler_filter_t filter,
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sampler_extend_t extend)
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{
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struct gen6_sampler_state ss;
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memset(&ss, 0, sizeof(ss));
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ss.ss0.lod_preclamp = 1; /* GL mode */
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/* We use the legacy mode to get the semantics specified by
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* the Render extension. */
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ss.ss0.border_color_mode = GEN4_BORDER_COLOR_MODE_LEGACY;
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switch (filter) {
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default:
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case SAMPLER_FILTER_NEAREST:
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ss.ss0.min_filter = GEN4_MAPFILTER_NEAREST;
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ss.ss0.mag_filter = GEN4_MAPFILTER_NEAREST;
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break;
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case SAMPLER_FILTER_BILINEAR:
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ss.ss0.min_filter = GEN4_MAPFILTER_LINEAR;
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ss.ss0.mag_filter = GEN4_MAPFILTER_LINEAR;
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break;
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}
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switch (extend) {
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default:
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case SAMPLER_EXTEND_NONE:
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ss.ss1.r_wrap_mode = GEN4_TEXCOORDMODE_CLAMP_BORDER;
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ss.ss1.s_wrap_mode = GEN4_TEXCOORDMODE_CLAMP_BORDER;
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ss.ss1.t_wrap_mode = GEN4_TEXCOORDMODE_CLAMP_BORDER;
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break;
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case SAMPLER_EXTEND_REPEAT:
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ss.ss1.r_wrap_mode = GEN4_TEXCOORDMODE_WRAP;
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ss.ss1.s_wrap_mode = GEN4_TEXCOORDMODE_WRAP;
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ss.ss1.t_wrap_mode = GEN4_TEXCOORDMODE_WRAP;
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break;
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case SAMPLER_EXTEND_PAD:
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ss.ss1.r_wrap_mode = GEN4_TEXCOORDMODE_CLAMP;
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ss.ss1.s_wrap_mode = GEN4_TEXCOORDMODE_CLAMP;
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ss.ss1.t_wrap_mode = GEN4_TEXCOORDMODE_CLAMP;
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break;
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case SAMPLER_EXTEND_REFLECT:
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ss.ss1.r_wrap_mode = GEN4_TEXCOORDMODE_MIRROR;
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ss.ss1.s_wrap_mode = GEN4_TEXCOORDMODE_MIRROR;
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ss.ss1.t_wrap_mode = GEN4_TEXCOORDMODE_MIRROR;
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break;
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}
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return OUT_STATE_STRUCT(ss, 32);
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}
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static uint32_t
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gen6_create_vertex_buffer(struct intel_batchbuffer *batch)
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|
{
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uint16_t v[2];
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|
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v[0] = 0;
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|
v[1] = 0;
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|
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return intel_batch_state_copy(batch, v, sizeof(v), 8, "vertex buffer");
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}
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|
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static void gen6_emit_vertex_buffer(struct intel_batchbuffer *batch)
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|
{
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|
uint32_t offset;
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|
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offset = gen6_create_vertex_buffer(batch);
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|
|
|
OUT_BATCH(GEN4_3DSTATE_VERTEX_BUFFERS | 3);
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|
OUT_BATCH(GEN6_VB0_VERTEXDATA |
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|
0 << GEN6_VB0_BUFFER_INDEX_SHIFT |
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|
VB0_NULL_VERTEX_BUFFER |
|
|
0 << VB0_BUFFER_PITCH_SHIFT);
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|
OUT_RELOC_STATE(batch, I915_GEM_DOMAIN_VERTEX, 0, offset);
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|
OUT_RELOC_STATE(batch, I915_GEM_DOMAIN_VERTEX, 0, offset);
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|
OUT_BATCH(0);
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|
}
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|
|
|
void gen6_setup_null_render_state(struct intel_batchbuffer *batch)
|
|
{
|
|
uint32_t wm_state, wm_kernel, wm_table;
|
|
uint32_t cc_vp, cc_blend;
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|
|
|
wm_table = gen6_bind_surfaces(batch);
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|
wm_kernel = gen6_create_kernel(batch);
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|
wm_state = gen6_create_sampler(batch,
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|
SAMPLER_FILTER_NEAREST,
|
|
SAMPLER_EXTEND_NONE);
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|
|
|
cc_vp = gen6_create_cc_viewport(batch);
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|
cc_blend = gen6_create_cc_blend(batch);
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|
|
|
gen6_emit_invariant(batch);
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|
gen6_emit_state_base_address(batch);
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|
|
|
gen6_emit_sip(batch);
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|
gen6_emit_urb(batch);
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|
|
|
gen6_emit_viewports(batch, cc_vp);
|
|
gen6_emit_vs(batch);
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|
gen6_emit_gs(batch);
|
|
gen6_emit_clip(batch);
|
|
gen6_emit_wm_constants(batch);
|
|
gen6_emit_null_depth_buffer(batch);
|
|
|
|
gen6_emit_drawing_rectangle(batch);
|
|
gen6_emit_cc(batch, cc_blend);
|
|
gen6_emit_sampler(batch, wm_state);
|
|
gen6_emit_sf(batch);
|
|
gen6_emit_wm(batch, wm_kernel);
|
|
gen6_emit_vertex_elements(batch);
|
|
gen6_emit_binding_table(batch, wm_table);
|
|
|
|
gen6_emit_vertex_buffer(batch);
|
|
|
|
OUT_BATCH(MI_BATCH_BUFFER_END);
|
|
}
|